Precious metal

Tribune photo by David Pierini

Cars, including this 1957 Chevy, were pushed through the staging area by workers in white gloves at the Dana Mecum 22nd Original Spring Classic Auction, a five-day auction at the Indiana State Fairgrounds featuring 1,250 cars.

Cars, including this 1957 Chevy, were pushed through the staging area by workers in white gloves at the Dana Mecum 22nd Original Spring Classic Auction, a five-day auction at the Indiana State Fairgrounds featuring 1,250 cars. (Tribune photo by David Pierini)

A 1966 corvette once owned by singer Roy Orbison on the auction block at the Dana Mecum 22nd Original Spring Classic Auction, a five-day auction at the Indiana State Fairgrounds featuring 1,250 cars.

A 1966 corvette once owned by singer Roy Orbison on the auction block at the Dana Mecum 22nd Original Spring Classic Auction, a five-day auction at the Indiana State Fairgrounds featuring 1,250 cars. (Tribune photo by David Pierini)